Converting a system of coordinates

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Dekel Mashiach
Dekel Mashiach on 20 May 2022
Answered: Matt J on 20 May 2022
Hey, I'm doing a project on a vehicle that follows the route with the help of a camera. I'm trying to do a conversion from a camera lens axis system to a vehicle mass center axis system. I realized there are rotation and translation matrices I need to perform but I have a hard time getting started. I'd be happy if anyone can help me.

Answers (2)

Catalytic on 20 May 2022
Edited: Catalytic on 20 May 2022
You cannot do a 3D coordinate conversion from a single 2D camera measurement. You need at least 2 cameras. If you have 2 cameras, then you can start here -
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Dekel Mashiach
Dekel Mashiach on 20 May 2022
I'm already converted from 2D to 3D. I having a hard time about converting the pivot system from the camera to the center of mass of the vehicle.

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Matt J
Matt J on 20 May 2022
You need to measure the position of at least three non-colinear 3D points in both coordinate systems. Then, you can find the mapping between the two systems using, e.g.,

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